diff options
| author | YueHaibing <yuehaibing@huawei.com> | 2018-12-18 02:34:39 +0100 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2018-12-28 17:13:11 +0100 |
| commit | 2f0a617448945a2c63d68983212302e9f2f8ae2f (patch) | |
| tree | fdcc3321a6fc1abd1cdbe38896a51645255bd412 | |
| parent | cifs: Add support for failover in cifs_reconnect() (diff) | |
| download | linux-2f0a617448945a2c63d68983212302e9f2f8ae2f.tar.xz linux-2f0a617448945a2c63d68983212302e9f2f8ae2f.zip | |
cifs: Use GFP_ATOMIC when a lock is held in cifs_mount()
A spin lock is held before kstrndup, it may sleep with holding
the spinlock, so we should use GFP_ATOMIC instead.
Fixes: e58c31d5e387 ("cifs: Add support for failover in cifs_reconnect()")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Paulo Alcantara <palcantara@suse.de>
| -rw-r--r-- | fs/cifs/connect.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index ef51cf748db7..8de2173efdc5 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -4585,7 +4585,8 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol) tcon->remap = cifs_remap(cifs_sb); } cifs_sb->origin_fullpath = kstrndup(tcon->dfs_path, - strlen(tcon->dfs_path), GFP_KERNEL); + strlen(tcon->dfs_path), + GFP_ATOMIC); if (!cifs_sb->origin_fullpath) { spin_unlock(&cifs_tcp_ses_lock); rc = -ENOMEM; |